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Home > Geology, Rocks & Minerals > Quartz
Quartz is the second most most common minerals in the Earth's crust, consisting of a crystalline formation of silicon and oxygen. Samples here are excellent sources of the beauty of these crystals (except when tumbled smooth!). Also included here are the many colorful varieties of quartz , such as Amethyst, Citrine, and more.

Please note: There has been recent international concern about the conditions under which collector rocks and minerals are mined, with allegations of labor and environment abuse. Please be assured that Spectrum Scientifics sources our rocks and minerals from reliable and responsible mineral suppliers.
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Tumbled Amethyst 1"
Tumbled Amethyst 1"
Our Price: $0.50

Amethyst is a form of purple-colored quartz. These pieces are tumbled smooth and purple in color with variation shadings of matrix material. Each piece is at least 1" on its longest side, but overall size and shape will vary with each sample. Price is per piece.

Order 10 pieces or more and receive a 10% discount.

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Quartz Points Clear 1.25" Long
Quartz Points Clear 1.25" Long
Our Price: $1.50

Generously sized raw quartz points.
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Colored Quartz Crystal Point
Colored Quartz Crystal Point
Our Price: $1.50

Similar to our regular Quartz points, except these pieces have been dyed attractive and bright colors. Points are approximately 1� in length and over . more info
Jumbo Quartz Points 2"
Jumbo Quartz Points 2"
Our Price: $2.50

Jumbo sized (2" long x 3/4" Diameter approx.) quartz points that are rough (subjected to no tumbling) are attractive and an excellent value. A great upsizing to our standard quartz points. Price is for a single Quartz Point.

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Quartz Crystal Titanium Color
Quartz Crystal Titanium Color
Our Price: $4.50

Quartz crystal is a silicon dioxide, Si02. The work crystal in Greek means clear ice. A near perfect quartz crystal will form only if it is able to grow unobstructed in a cavity below the Earth's surface. The hexagonal structure of quartz crystal is directly related to the shape of its internal arrangement of atoms.

Quartz crystals are piezoelectric, and vibrate at a precise number per second when exposed to electricity.

This quartz crystal point has been plated with titanium ions that gives it an iridescent effect.


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Quartz Cluster 2"
Quartz Cluster 2"
Our Price: $5.99

Quartz includes a variety of stones. Colorless quartz or crystal quartz
is the most common.  The single quartz cluster is formed as a six-sided
prism known as a point. They are always formed this way. It can
sometimes be formed in veins seams or pockets of rock.
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Quartz Cluster 1/2lb
Quartz Cluster 1/2lb
Our Price: $9.99

Impressive 1/2 lb quartz clusters make great decor items. Pieces are approx 3-4" on a each side (variations will occur) and weight approx 1/2 lb each.

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Citrine Sphere w/stand 38mm diameter
Citrine Sphere w/stand 38mm diameter
Our Price: $12.99

Citrine is a form of quartz with yellow-to-brown coloring. This is a polished 38mm Citrine sphere with an included display stand. Pattern of Citrine will vary from sample to sample.

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Labradorite Sphere w/stand 40mm diameter
Labradorite Sphere w/stand 40mm diameter
Our Price: $14.95

Labradorite is a feldspar mineral used as a semi-precious stone. It has a grey-green appearance on its surface, but underneath that it may display many interesting colors in light from an effect called labradorescence. This is a polished 40mm diameter Labradorite sphere with an included stand. Note that stand may vary from image as well as the pattern of the labradorite sample.

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Amethyst Sphere, polished, 50mm diameter
Amethyst Sphere, polished, 50mm diameter
Our Price: $24.99

Amethyst is a purple form of quarz, with dividing sections of lighter colored purple, white, and sometimes matrix material. This 50mm diameter Amethyst sphere is attractive and great for mineral collectors.

Size 50mm
Variation: -2mm/+4mm diameter
Includes: Small wood stand.

Note that the image is representative of the line and may not be the exact sphere shipped.

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